<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>$Title$</title>
    <!-- ext-base.js表示框架的基础库。。。ext-all.js表示框架的核心库 -->
    <link rel="stylesheet" type="text/css" href="ext-3.4.0/resources/css/ext-all.css"/>
    <script type="text/javaScript" src="ext-3.4.0/adapter/ext/ext-base.js"></script>
    <script type="text/javaScript" src="ext-3.4.0/ext-all.js"></script>
</head>
<body>
$END$
</body>
</html>


<script>
    Ext.onReady(
            function () {
                Ext.MessageBox.alert("hello", "HelloWorld"); //hello表示弹出框的标题。。HelloWorld表示弹出框的内容
            }
    );
</script>